Frequency, prognostic impact, and subtype association of 8p12, 8q24, 11q13, 12p13, 17q12, and 20q13 amplifications in breast cancers

Table 4 Cox multivariate analysis of metastasis free survival for patients without axillary lymph node invasion.

Variable	Coefficient value	Hazard ratio 95% CI	p-value
8p12	0.925		0.15
Non Amplified		1
Amplified		2.52 (0.72–8.79)
Ki67	1.29		0.055
<20		1
≥20		3.63 (0.97–13.52)

ISSN: 1471-2407